کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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4415888 | 1307762 | 2006 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Decolourization of synthetic dyes by Trametes hirsuta in expanded-bed reactors Decolourization of synthetic dyes by Trametes hirsuta in expanded-bed reactors](/preview/png/4415888.png)
The present paper studies the decolourization of different synthetic dyes (Indigo Carmine, Bromophenol Blue, Methyl Orange and Poly R-478) by the white-rot fungus Trametes hirsuta at bioreactor scale under solid-state conditions, operating with ground orange peelings as a support-substrate. Dye decolourization was performed in both batch and continuous mode. Batch cultivation led to high decolourization percentages in a short time (100% for Indigo Carmine in 3 h and 85% for Bromophenol Blue in 7 h). As for continuous cultivation, different hydraulic retention times (HRT) were studied (0.8, 1, 1.5 and 3 d). The highest decolourization percentages were obtained operating at a HRT of 3 d, especially for the dyes Methyl Orange and Poly R-478 (81.4% and 46.9%, respectively). This is a very interesting result, since there are few studies dealing with the continuous decolourization of dyes at bioreactor scale by fungal laccases.
Journal: Chemosphere - Volume 62, Issue 9, March 2006, Pages 1558–1563